<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>CSS技术</title>
		<link rel="stylesheet" href="css/tyust.css"/>
		<style>
			div{
				font-size:50px;
				color:green;
			}
			
			.titCss{
				font-size: 10px;
				color: palevioletred;
			}
			
			#firstDiv{
				font-size: 20px;
				color: aqua;
			}
			#secondDiv{
				color: crimson;
			}
		</style>
	</head>
	<body>
		<div>
			太原科技大学
		</div>
		
		<span style="font-size: 100px;color: darkgreen;">
			我喜欢上官婉儿
		</span>
		<h2>class选择器</h2>
		<p class="titCss">你好呀</p>
		
		<div id="firstDiv">java开发工程师</div>
		<div id="secondDiv">算法工程师</div>
	</body>
</html>